Friday marks 50 years since the assassination of John F. Kennedy, an event that resonates through the country to this day. But, depending on where teachers are in their lesson plans, chances are students are not learning about that on this anniversary. “We’re not addressing it this week because, really, we’re locked into where we are in the curriculum right now,” said Ernie Davis, an Advanced Placement U.S. history teacher at Chestatee High School.